BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//CRC 326 - GAUS - ECPv6.16.4//NONSGML v1.0//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
X-WR-CALNAME:CRC 326 - GAUS
X-ORIGINAL-URL:https://crc326gaus.de
X-WR-CALDESC:Events for CRC 326 - GAUS
REFRESH-INTERVAL;VALUE=DURATION:PT1H
X-Robots-Tag:noindex
X-PUBLISHED-TTL:PT1H
BEGIN:VTIMEZONE
TZID:Europe/Berlin
BEGIN:DAYLIGHT
TZOFFSETFROM:+0100
TZOFFSETTO:+0200
TZNAME:CEST
DTSTART:20250330T010000
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:+0200
TZOFFSETTO:+0100
TZNAME:CET
DTSTART:20251026T010000
END:STANDARD
BEGIN:DAYLIGHT
TZOFFSETFROM:+0100
TZOFFSETTO:+0200
TZNAME:CEST
DTSTART:20260329T010000
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:+0200
TZOFFSETTO:+0100
TZNAME:CET
DTSTART:20261025T010000
END:STANDARD
BEGIN:DAYLIGHT
TZOFFSETFROM:+0100
TZOFFSETTO:+0200
TZNAME:CEST
DTSTART:20270328T010000
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:+0200
TZOFFSETTO:+0100
TZNAME:CET
DTSTART:20271031T010000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20260622T101500
DTEND;TZID=Europe/Berlin:20260622T114500
DTSTAMP:20260620T214026
CREATED:20260421T100218Z
LAST-MODIFIED:20260421T100218Z
UID:13159-1782123300-1782128700@crc326gaus.de
SUMMARY:de Rham-Witt complex
DESCRIPTION:Daniel Fink \n§9: The derived the Rham-Witt complex 2/2 \nBy the criterion of the previous talk\, the de Rham–Witt complex recovers the de Rham complex for a more general class of rings. Cover §9.5\, in particular Theorem 9.5.6\, Corollary 9.5.19\, and Theorem 9.5.21.
URL:https://crc326gaus.de/event/de-rham-witt-complex-8/
LOCATION:Mainz\, Hilbertraum (05-432)
CATEGORIES:GAUS-AG
ORGANIZER;CN="Tom Bachmann":MAILTO:tom.bachmann@uni-mainz.de
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20260623T160000
DTEND;TZID=Europe/Berlin:20260623T170000
DTSTAMP:20260620T214026
CREATED:20260416T144354Z
LAST-MODIFIED:20260617T062754Z
UID:13096-1782230400-1782234000@crc326gaus.de
SUMMARY:International Seminar on Automorphic Forms
DESCRIPTION:Zeros of Poincaré series\nNoam Kimmel (MPIM Bonn) \nWe explore the zeros of certain Poincaré series P(k\,m) of weight k and index m for the full modular group. These are distinguished modular forms\, which have played a key role in the analytic theory of modular forms. We study the zeros of P(k\,m) when the weight k tends to infinity. The case where the index m is constant was considered by Rankin who showed that in this case almost all of the zeros lie on the unit arc |z|=1. In this talk we will explore the location of the zeros when the index m grows with the weight k\, finding a range of different limit laws. Along the way\, we also establish a version of Quantum Unique Ergodicity for some ranges. \nZoom (680 4828 0736\, The password is the first Fourier coefficient of the modular j-function (as digits)).
URL:https://crc326gaus.de/event/international-seminar-on-automorphic-forms-18/
CATEGORIES:GAUS-AG
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20260624T140000
DTEND;TZID=Europe/Berlin:20260624T160000
DTSTAMP:20260620T214026
CREATED:20260616T062328Z
LAST-MODIFIED:20260616T062328Z
UID:13585-1782309600-1782316800@crc326gaus.de
SUMMARY:Oberseminar Algebra und Geometrie
DESCRIPTION:Jonas Heintze (Universität Bonn): Poincare duality for Fargues Fontaine curve with almost coefficients \nAbstract: The Fargues-Fontaine curve is a central geometric object in modern approaches to p-adic Hodge theory. In this talk\, we will sketch ongoing work aimed at establishing Poincaré duality for the Fargues-Fontaine curve(s) viewed as analytic stacks using almost mathematics. This work is closely related to recent work of Anschütz\, Le Bras\, and Mann. \n  \n 
URL:https://crc326gaus.de/event/oberseminar-algebra-und-geometrie-10/
LOCATION:Frankfurt\, Robert-Mayer-Str. 6-8\, Raum 308
CATEGORIES:GAUS-Seminar
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20260625T090000
DTEND;TZID=Europe/Berlin:20260625T110000
DTSTAMP:20260620T214026
CREATED:20260407T112310Z
LAST-MODIFIED:20260428T102022Z
UID:13012-1782378000-1782385200@crc326gaus.de
SUMMARY:Poincaré-Dualität in Charakteristik p
DESCRIPTION:Vortrag 9: Gerstenauflösung II – Alberto Merici
URL:https://crc326gaus.de/event/poincare-dualitat-in-charakteristik-p-9/
LOCATION:Heidelberg\, Mathematikon\, SR 8\, Heidelberg\, Germany
CATEGORIES:GAUS-AG
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20260625T111500
DTEND;TZID=Europe/Berlin:20260625T124500
DTSTAMP:20260620T214026
CREATED:20260324T101157Z
LAST-MODIFIED:20260618T134330Z
UID:12907-1782386100-1782391500@crc326gaus.de
SUMMARY:The K-Theory of Z/p^n
DESCRIPTION:Talk 9: Relative-to-absolute descent III – Chenyi Yang (Universität Heidelberg)
URL:https://crc326gaus.de/event/the-k-theory-of-z-pn-8/
LOCATION:Heidelberg\, Mathematikon\, SR 8 und Zoom\, Germany
CATEGORIES:GAUS-AG
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20260625T141500
DTEND;TZID=Europe/Berlin:20260625T151500
DTSTAMP:20260620T214026
CREATED:20260529T092432Z
LAST-MODIFIED:20260616T115630Z
UID:13471-1782396900-1782400500@crc326gaus.de
SUMMARY:AGTZ Kolloquium
DESCRIPTION:Shai Keidar (Uni Regensburg) \nTitle: pi-finite Galois theory \nAbstract: In the higher-categorical world\, Galois theory extends beyond finite groups: one can study Galois extensions for an arbitrary E_1-group. We develop such a theory for higher semiadditive categories\, where finite groups are naturally replaced by pi-finite groups. Under height assumptions\, we construct an n-truncated pro-pi-finite “absolute Galois group” representing all Galois extensions\, and develop a higher Kummer theory relating abelian extensions to the Picard spectrum. As an illustration\, we attach a pro-pi-finite Galois space to a rational Stefanich ring and give an algorithm computing it.
URL:https://crc326gaus.de/event/agtz-kolloquium-7/
LOCATION:Mainz\, Hilbertraum (05-432)
CATEGORIES:GAUS-Seminar
ORGANIZER;CN="Georg Tamme":MAILTO:georg.tamme@uni-mainz.de
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20260625T141500
DTEND;TZID=Europe/Berlin:20260625T160000
DTSTAMP:20260620T214026
CREATED:20260430T084010Z
LAST-MODIFIED:20260430T084010Z
UID:13303-1782396900-1782403200@crc326gaus.de
SUMMARY:Symmetric Power Functoriality
DESCRIPTION:14:15 Talk 7 Emerton’s Eigenvariety:  Andrea Conti \n 
URL:https://crc326gaus.de/event/symmetric-power-functoriality-7/
LOCATION:Heidelberg
CATEGORIES:GAUS-AG
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20260626T133000
DTEND;TZID=Europe/Berlin:20260626T143000
DTSTAMP:20260620T214026
CREATED:20260519T090513Z
LAST-MODIFIED:20260521T093535Z
UID:13425-1782480600-1782484200@crc326gaus.de
SUMMARY:Elliptic curves attached to abelian threefolds with imaginary multiplication
DESCRIPTION:Pip Goodman (University of Barcelona) \nLet A be an abelian threefold defined over a number field K whose endomorphism algebra is isomorphic to an imaginary quadratic field M. In recent joint work with Fité\, we proved the existence of an elliptic curve E defined over K with CM by M such that for any prime \ell\, the twisted Tate module V_\ell(E) (1)  is a sub representation of \wedge^3 V_\ell(A).\nIn this talk I will give an overview of the proof of the above result and present work in progress with Chidambaram and Fité where we provide explicit families of examples of the above phenomenon.
URL:https://crc326gaus.de/event/elliptic-curves-attached-to-abelian-threefolds-with-imaginary-multiplication/
LOCATION:Heidelberg\, Mathematikon\, SR A and Livestream
CATEGORIES:GAUS-Seminar
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20260626T140000
DTEND;TZID=Europe/Berlin:20260626T160000
DTSTAMP:20260620T214026
CREATED:20260615T070624Z
LAST-MODIFIED:20260615T070624Z
UID:13580-1782482400-1782489600@crc326gaus.de
SUMMARY:The Morrison-Kawamata-Cone conjecture for Enriques surfaces in any characteristic
DESCRIPTION:Let X be a normal projective variety over an algebraically closed field and with numerically trivial canonical bundle\, for instance a Calabi-Yau manifold. The Morrison – Kawamata cone conjecture predicts that the automorphism group of X acts with a rational polyhedral fundamental domain on the effective nef cone of X. We give a new proof of the Morrison–Kawamata cone conjecture for Enriques surfaces independent of their characteristic. It is based on the analysis of certain generically finite morphisms of degree two. This is joint work with Gebhard Martin and Tobias Schnieders.
URL:https://crc326gaus.de/event/the-morrison-kawamata-cone-conjecture-for-enriques-surfaces-in-any-characteristic/
LOCATION:Heidelberg\, MATHEMATIKON\, SR 007\, Im Neuenheimer Feld 205\, Heidelberg\, 69120\, Germany
CATEGORIES:GAUS-Seminar
ORGANIZER;CN="Georg Bernhard Oberdieck":MAILTO:georgo@uni-heidelberg.de
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20260626T143000
DTEND;TZID=Europe/Berlin:20260626T163000
DTSTAMP:20260620T214026
CREATED:20260427T115524Z
LAST-MODIFIED:20260619T073142Z
UID:13242-1782484200-1782491400@crc326gaus.de
SUMMARY:Seminar on Arithmetic Geometry
DESCRIPTION:Konstantin Jakob (Darmstadt): Algebraic Loops and Stokes Braids \nThe irregular class of a rank n differential equation with an irregular singularity may be viewed as a polynomial map to the configuration space of n points. Such irregular classes feature prominently in Boalch’s construction of wild character varieties\, which are Betti moduli spaces for irregular connections. As the local coordinate winds around the singularity\, the irregular class describes the motion of eigenvalues of leading terms; this motion determines a braid\, called the Stokes braid. \nI will report on joint work with Masoud Kamgarpour and Ian Le in which we classify braids arising from such algebraic loops in terms of valuation data. I will explain why tropical geometry provides the natural language for this question\, and\, if time permits\, outline relations to several phenomena where the geometry or cohomology of spaces such as braid varieties is expected to depend only on tropical data. \nBitte früheren Beginn um 14:30 beachten.\nZoom (635 7328 0984\, Kenncode: kleinste sechsstellige Primzahl)
URL:https://crc326gaus.de/event/seminar-on-arithmetic-geometry-39/
LOCATION:Darmstadt\, Room 401 and Zoom\, Schlossgartenstraße 7\, Darmstadt\, 64289\, Germany
CATEGORIES:GAUS-Seminar
ORGANIZER;CN="Sabrina Pauli":MAILTO:pauli@mathematik.tu-darmstadt.de
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20260629T101500
DTEND;TZID=Europe/Berlin:20260629T114500
DTSTAMP:20260620T214026
CREATED:20260421T100421Z
LAST-MODIFIED:20260421T100421Z
UID:13161-1782728100-1782733500@crc326gaus.de
SUMMARY:de Rham-Witt complex
DESCRIPTION:Lorenzo Mantovani \n§10: Comparison with crystalline cohomolgy 1/2 \nThe de Rham–Witt complex computes crystalline cohomology. If not done in the talk about §6\, quickly introduce/recall crystalline cohomology (see for example the book by Berthelot or Tag 07GI in the Stacks project)\, state Theorem 10.1.1 and explain the strategy for the proof (§10.1). Prove Proposition 10.2.1; coordinate with the speaker of the next talk (they might need intermediate results and proofs from §10.2). If not done in the talk about §6 and time permits\, prove Proposition 6.4.1 (which shows that the assumptions in the main result are needed).
URL:https://crc326gaus.de/event/de-rham-witt-complex-9/
LOCATION:Mainz\, Hilbertraum (05-432)
CATEGORIES:GAUS-AG
ORGANIZER;CN="Tom Bachmann":MAILTO:tom.bachmann@uni-mainz.de
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20260630T160000
DTEND;TZID=Europe/Berlin:20260630T170000
DTSTAMP:20260620T214026
CREATED:20260416T144447Z
LAST-MODIFIED:20260617T062347Z
UID:13095-1782835200-1782838800@crc326gaus.de
SUMMARY:International Seminar on Automorphic Forms
DESCRIPTION:On an algebro-geometric approach to the automatic convergence theorem for Shimura varieties\nHaocheng Fan (BICMR – Peking University) \nIn the first part of this talk\, I will provide an upper bound for the coherent cohomological dimension of the Siegel modular variety\, and then show that the boundary of the compactified Siegel modular variety satisfies the Grothendieck–Lefschetz condition\, which implies the automatic convergence theorem in this case. In the second part\, I will introduce a work in progress\, joint with Peihang Wu and Jiacheng Xia\, to generalize this approach to general Shimura varieties by assuming an algebraicity result on the space of symmetric formal Fourier-Jacobi series. \nZoom (680 4828 0736\, The password is the first Fourier coefficient of the modular j-function (as digits)).
URL:https://crc326gaus.de/event/international-seminar-on-automorphic-forms-19/
CATEGORIES:GAUS-AG
END:VEVENT
END:VCALENDAR